Sensor PIR + Arduino + SIM800

I have problems at the PIR sensor and SIM800.

PIR sensor can not detect motion and SIM800 not connect.

if you can help me to solve this problem?

// Uses a PIR sensor to detect movement, buzzes a buzzer
// more info here: PIR Sensor Arduino Alarm | Make:
// email me, John Park, at jp@jpixl.net
// based upon:
// PIR sensor tester by Limor Fried of Adafruit
// tone code by michael@thegrebs.com
//#include <SoftwareSerial.h>
#include <GSM.h>
//#define PINNUMBER “3”
#define PINNUMBER “2”
//SoftwareSerial gsm(3,2); //RX, TX

// initialize the library instance
// include a ‘true’ parameter for debug enabled
GSM gsmAccess;
GSM_SMS sms;

// char array of the telephone number to send SMS
// change the number 1-212-555-1212 to a number
// you have access to
char remoteNumber[20]= “+6285862017590”;
// char array of the message
char txtMsg[200]=“Alarm! Alarm! You Have An Intruder”;

int ledPin = 13; // choose the pin for the LED
int pir = 7; // choose the input pin (for PIR sensor)
int pirState = LOW; // we start, assuming no motion detected
int val = 0; // variable for reading the pin status
int pinSpeaker = 4; //Set up a speaker on a PWM pin (digital 9, 10, or 11)
int state = 0; // 0 = LED off dan 1 = LED on
int stat = 0;

void setup() {
pinMode(ledPin, OUTPUT); // declare LED as output
pinMode(pir, INPUT); // declare sensor as input
pinMode(pinSpeaker, OUTPUT);
Serial.begin(9600);
Serial.println(“SMS Messages Sender”);
// connection state
boolean notConnected = false;
// Start GSM shield
// If your SIM has PIN, pass it as a parameter of begin() in quotes
while(notConnected)
{
if(gsmAccess.begin(PINNUMBER)==GSM_READY)
notConnected = true;
else
{
Serial.println(“Not connected”);
delay(1000);
}
}
Serial.println(“GSM initialized”);

}

void loop(){

val = digitalRead(pir); // read input value
if (val == HIGH) { // check if the input is HIGH
if (stat == 0){

digitalWrite(ledPin, HIGH); // turn LED ON
playTone(300, 160);
delay(150);

if (pirState == HIGH);{
// we have just turned on

Serial.println(“Ada Orang Terdeteksi Bro…”);
// We only want to print on the output change, not state
pirState = LOW;
sendSMS();

}
}
stat = 1;
} else {
digitalWrite(ledPin, LOW) ; // turn LED OFF
playTone(0, 0);
delay(300);
if (pirState == LOW){
// we have just turned off
Serial.println(“Deteksi Berakhir”);
// We only want to print on the output change, not state
pirState = HIGH;
stat = 0;
}
}
}
// duration in mSecs, frequency in hertz
void playTone(long duration, int freq) {
duration *= 1000; //frequecy
int period = (1.0 / freq) * 100000;
long elapsed_time = 0;
while (elapsed_time < duration) {
digitalWrite(pinSpeaker,HIGH);
delayMicroseconds(period / 2);
digitalWrite(pinSpeaker, LOW);
delayMicroseconds(period / 2);
elapsed_time += (period);
}
}
// SMS Code
void sendSMS(){

Serial.print(“Message to mobile number:”);
Serial.println(remoteNumber);

// sms text
Serial.println(“SENDING”);
Serial.println();
Serial.println(“Message:”);
Serial.println(txtMsg);

// send the message
sms.beginSMS(remoteNumber);
sms.print(txtMsg);
sms.endSMS();
Serial.println("\nCOMPLETE!\n");
}